However, all of them are excellent food organism of fish.

不过，这些对于鱼类来说，它们基本上都是非常好的食物。

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Parasitism is a kind of predator-prey relationship in which one organism, the parasite, derives its food at the expense of its symbiotic associate, the host.

寄生是一种捕食者与被捕食者之间的关系，寄生者利用共生伙伴——宿主来获取食物。

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In any situation, you have a variety of pressures on an organism: what is the atmosphere, is there food available, what is the competition for resources?

在任何情况下，生物都有各种各样的生存压力，大气是什么样的，能否得到食物，资源的竞争是什么样的？

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I just mentioned examples of that, so the organism seeks out fat, sweet, and variety and eating large amounts of food becomes a priority, at least according to the brain.

我仅仅是举了个例子,机体寻求脂肪,糖或其他食物,大量进食成了首要任务,至少大脑是这么认为的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The chances are that today you have already eaten a genetically-modified foodstuff or a food that was made with a modified organism.

BBC: The power of genes

Stephen Savage, the council's director of public protection, said: 'We now know that the same organism found in one of the food ingredients is likely to be responsible for the illness reported by people who attended the event.

BBC: Street Spice salmonella outbreak source traced

But when two pieces of food were placed at separate exit points in the labyrinth, the organism squeezed its entire body between the two nutrients.

BBC: When slime is not so thick